Home / 3,512.10-4,845.87-2,847.75

Finding the Fourth Proportional to 3,512.10, 4,845.87 and 2,847.75

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Solution

The fourth proportional to 3,512.10, 4,845.87 and 2,847.75 is: 3,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.10 : 4,845.87 = 2,847.75 : x
  2. Step 2: Convert to fraction form
    3,512.10/4,845.87 = 2,847.75/x
  3. Step 3: Cross multiply
    3,512.10x = 4,845.87 × 2,847.75
  4. Step 4: Simplify right side
    3,512.10x = 13,799,826.29
  5. Step 5: Solve for x
    x = 13,799,826.29/3,512.10
  6. Step 6: Final answer
    x = 3,929.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.